package org.tbshuda;

import java.util.HashMap;

public class Core {
    public static String getHello() {
        return "Hello";
    }



    public static void main(String[] args) {

        String ss = new String("123123");
        HashMap aa = new HashMap();
        aa.put(456, "123");
        aa.put(1, "123");
        aa.put(123, "123");
        System.out.println(aa.get(123));
    }
}
